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SubscribeContextCallback<TContextItemType> Delegate

Defines a callback method that will be invoked when a context item changes.

Namespace:  System.Activities.Presentation
Assembly:  System.Activities.Presentation (in System.Activities.Presentation.dll)

public delegate void SubscribeContextCallback<TContextItemType>(
	TContextItemType item
where TContextItemType : ContextItem

Type Parameters


The type of the context item.


Type: TContextItemType

The context item that changed.

.NET Framework

Supported in: 4.5.2, 4.5.1, 4.5, 4

.NET Framework Client Profile

Supported in: 4

Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

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